6 West 77th Street
6 West 77th Street, New York, NY 10024
Upper West Side
BBL 1011290039 · BIN 1028817
- Year built
- 1928
- Type
- Cooperative
- Landmark
- Designated
Every recorded sale at this building, 2003–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 2BR median
- $2.2M
- Recent range
- $1.6M – $7.9M
- Listing discount
- 3.8%
- Recorded transfers
- 90
6 West 77th Street occupies one of the most coveted blocks on the Upper West Side: the West 77th Street stretch directly across from the American Museum of Natural History, a half-block from Central Park West and the park itself. Completed in 1928 to designs by Nathan Korn — whose work includes notable Central Park West buildings — it is a classic 15-story Neo-Renaissance pre-war, distinguished by paired canopied entrances at 6 and 16 West 77th Street, sidewalk landscaping, and a two-story rusticated limestone base. The twin-entrance arrangement gives the building an unusually gracious, almost estate-like presentation on the street, and the dual addresses together hold roughly 102 cooperative apartments.
The building's appeal is location plus operation. It sits inside the Central Park West Historic District, on a block whose frontage onto the museum's gardens guarantees light and open outlook to the south, and it is steps from Central Park and the B/C trains at 81st Street. Converted to cooperative ownership in 1959, it has long been a stable, well-run pre-war house, and it has modernized: a renovated fitness room, a bike room, individual storage, and a planted courtyard garden round out a service package that appeals well beyond the traditional pre-war buyer. It is also a pet-friendly cooperative, which broadens its draw further.
For buyers, 6 West 77th represents the prime Central Park West-adjacent value proposition: substantial pre-war layouts in a full-service, 24-hour-doorman cooperative, on a protected historic-district block facing the museum, a half-block from the park, at pricing more accessible than the Central Park West frontage one block east.
Architecture and unit composition
The roughly 102 apartments span 15 stories across the paired 6 and 16 West 77th entrances. As a 1928 Korn design, the residences carry the era's hallmarks: gracious principal rooms, entry foyers, high ceilings, and hardwood floors, in the family-scaled layouts typical of the best Upper West Side pre-wars. The block's orientation across from the museum's landscaped grounds gives south-facing lines open light and outlook that the dense side streets nearby can't match.
The masonry body over a two-story rusticated limestone base, the twin canopied entrances, and the sidewalk landscaping give the building a recognizable, dignified presence on the street. Floor height, exposure, layout, and renovation condition are the variables that separate otherwise comparable homes.
Building operations
6 West 77th Street is a full-service pre-war cooperative. Staffing includes a 24-hour doorman and a resident manager. On-site amenities are deep: a renovated fitness room, a bike room, a large central laundry room, private storage with an individual bin for each apartment, and a planted courtyard garden.
The board permits financing up to 50% of the purchase price — the standard for white-glove Upper West Side cooperatives — and the building is pet-friendly. As with most pre-war co-ops, purchases are subject to a board package, references, and an interview.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $0 (under cap)
- Per unit / month range
- —
Facade safety — Local Law 11
The latest available filing classified the facade as SWARMP — Safe With A Repair and Maintenance Program: the engineer identified conditions requiring monitoring or repair before the next inspection cycle. The scope, timeline, and how the building funds the work are building-specific — we review the filings and board materials for you.
QEWI = Qualified Exterior Wall Inspector — the licensed engineer the city requires to sign the report (the independent expert, not the managing agent). Source: NYC DOB facade filings (FISP) · The Roebling Research Library.
See the full facade history →Management & transfer contacts
- Flip tax
- 2% of gross selling price (seller)
- Sublet policy
- Sublet Fee equal to two months' maintenance; subtenant application fee $550
- Pied-à-terre
- Allowed
- Notable fees
- Closing Fee $800 ($850 w/o broker) plus $0.05/share; Estate/Trust closing $1,000; Move In/Out deposits $1,000
Recent sales
Recent transfers at this building, curated by The Roebling Team research desk. Apartment-level facts are independently verified before publishing; sale prices reflect the recorded transfer amount at the NYC Department of Finance.
| Date | Unit | Apartment | Price | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Mar 26, 2026 | 16E | 3 BR · 2.5 BA | $7,900,000 | -7.1% | |
| Jul 21, 2025 | 5F | 2 BR · 2 BA · 1,600 sf | $2,195,000 | $1,372/sf | +0.0% |
| Jun 5, 2025 | 16A | 2 BR · 3 BA | $4,200,000 | +5.1% | |
| May 23, 2024 | 16E | 3 BR · 3 BA | $7,800,000 | -15.7% | |
| Feb 29, 2024 | 7C | 2 BR · 2 BA · 1,100 sf | $1,649,000 | $1,499/sf | +0.0% |
| Feb 1, 2024 | 15C | 3 BR · 2 BA | $3,875,000 | -18.4% | |
| Jul 11, 2023 | 10 | 4 BR · 4.5 BA | $6,250,000 | -3.8% | |
| May 13, 2022 | 4D | 1 BR · 1 BA | $1,160,000 | +5.9% |
Market read. $/sf is measured on the latest sales with reliable square footage (2025): a median $1,380/sf across 1 sale. The building has traded as recently as 2026. Median listing discount 3.6% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Other recent transfers
| Date | Unit | Price |
|---|---|---|
| Oct 28, 2006 | 5F | $1,375,000 |
| Apr 13, 2006 | 5B | $1,795,000 |
Full closing history with price-per-square-foot over time, the complete retrade record, and every line that has traded.
Sales sourced from NYC Department of Finance recorded transfers (BBL 1-01129-0039) and verified listing data. Apartment-level facts (line, condition, asking-price context) curated and cross-verified by The Roebling Team research desk. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price; square footage on co-ops is not officially recorded, figures shown are approximate.
What to know if you’re buying
The block is the asset. Facing the American Museum of Natural History's gardens, a half-block from Central Park West and the park, is among the best positions on the Upper West Side.
Plan for 50% financing. The board caps financing at half the purchase price; structure your offer and underwriting accordingly.
It's pet-friendly with a deep amenity set. A renovated gym, bike room, individual storage, courtyard garden, and a pet-welcoming board broaden the building's appeal beyond the traditional pre-war buyer.
Historic-district protection is a structural asset. The Central Park West designation stabilizes the block and governs exterior change.
Expect a full board process. A board package, references, and an interview are part of buying here.
What to know if you’re selling
Lead with the block, the architect, and the entrances. A Nathan Korn pre-war with twin canopied entrances, facing the museum a half-block from the park, is a concrete, marketable identity.
The amenities and pet policy widen the buyer pool. A renovated gym, storage, bike room, courtyard garden, and a pet-friendly board are differentiators against more traditional pre-war neighbors.
Price by exposure and condition. South-facing museum-side light, floor height, and renovation status separate comparable apartments; line-specific analysis matters.
Closing timelines are co-op standard. Generally six to ten weeks from contract to closing, subject to board scheduling.
Comparable buildings
If you're considering 6 West 77th Street, also evaluate nearby Central Park West-adjacent and Upper West Side cooperatives:
- 40 West 77th Street — pre-war co-op on the same block
- 15 West 72nd Street — nearby Central Park West-adjacent pre-war
- 145 West 79th Street — Upper West Side pre-war co-op nearby
- 215 West 84th Street — Upper West Side pre-war co-op
- 257 Central Park West — Central Park West pre-war frontage nearby
- 2162 Broadway — Broadway-corridor pre-war co-op to the south
The neighborhood
For the full corridor — architecture, schools, transit, and pricing across Upper West Side — read The Roebling Team Guide to Upper West Side.
The full playbook — what goes in the package, how boards read your financials, the interview, and the timeline — plus sample cover, reference, and personal letters you can adapt.
Considering a move at 6 West 77th Street?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 6 West 77th Street would likely sell for today, what it costs to sell, and what you’d walk away with — reviewed personally against condition, exposures, renovation quality, and the competition actually on the market.